Home / 67,531.28-93,192.81-37,318.70

Finding the Fourth Proportional to 67,531.28, 93,192.81 and 37,318.70

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Solution

The fourth proportional to 67,531.28, 93,192.81 and 37,318.70 is: 51,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,531.28 : 93,192.81 = 37,318.70 : x
  2. Step 2: Convert to fraction form
    67,531.28/93,192.81 = 37,318.70/x
  3. Step 3: Cross multiply
    67,531.28x = 93,192.81 × 37,318.70
  4. Step 4: Simplify right side
    67,531.28x = 3,477,834,518.55
  5. Step 5: Solve for x
    x = 3,477,834,518.55/67,531.28
  6. Step 6: Final answer
    x = 51,499.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.